Application of wollastonite in metallurgical casting materials-3 BY:Danny

Needle-Shaped Wollastonite Powder is a mineral material with unique physical and chemical properties. It has a wide range of uses, mainly including the following aspects:

Metallurgical casting materials have strict requirements for protective slag, including low density, low melting point, suitable alkalinity ratio, melting speed and spreadability. Wollastonite has become an ideal raw material for protective casting materials in metallurgical steelmaking due to its unique low-temperature fluxing properties, stable chemical composition, high purity and neutral alkalinity. In addition, the trace amount of Al2O3 in wollastonite makes the metallurgical protective slag made of it have excellent ability to adsorb harmful inclusions of Al2O3 in molten steel, which has been widely used in the metallurgical industry.

mong the raw materials of metallurgical additives, the demand for wollastonite accounts for more than 50%, while the content of calcite and quartz is strictly limited respectively. Globally, 12% to 15% of wollastonite is consumed in this field every year. The continuous casting process from plain carbon steel to stainless steel, as well as the slag conversion from small billets to large slabs, are inseparable from protective slag based on wollastonite. This protective slag is not only affordable, but also quickly replaced expensive imported products, injecting new vitality into the development of the metallurgical steelmaking industry.

Application of wollastonite in the preparation of bioactive materials

Artificial bone, a medical material commonly used in orthopedic surgery, is usually composed of a titanium alloy and a layer of bioactive ceramic material. Although this material has high strength and good toughness, its composition is quite different from that of human bone tissue, making it difficult to achieve true healing and there is a risk of corrosion.

In recent years, more and more studies have shown that bioceramic materials with wollastonite as the main component have excellent bioactivity, strength and stability, and good compatibility with human bone tissue. This material is expected to be widely used in the field of artificial bone.

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